Tehuantepec Forecast

November 6, 2026, 9:00 pm (UTC: -05:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

WARNINGS
.NONE.

.12 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 16N94.5W TO 16N95W
TO 16N95.5W TO 15N95.5W TO 14.5N94.5W TO 15N94.5W TO
16N94.5W N WINDS 20 TO 30 KT. SEAS TO 2.5 M IN SW SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 16N95W TO 15N95.5W
TO 14N95.5W TO 14.5N95W TO 15N95W TO 16N95W N TO NE WINDS 20 TO
25 KT. SEAS TO 3.0 M IN N TO NE SWELL. ELSEWHERE WITHIN 15N95W TO
14N95W TO 15N95W TO 14N96W TO 13N96W TO 13N95W TO 15N95W WINDS
20 KT OR LESS. SEAS 2.5 M IN N TO NE SWELL.
.48 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 15.5N94.5W TO
16N94.5W TO 16N95W TO 15N95.5W TO 14.5N95.5W TO 15N95W TO
15.5N94.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.

A 1028 MB HIGH PRESSURE SYSTEM NEAR 33N135W EXTENDS A RIDGE
SOUTHEASTWARD TO THE REVILLAGIGEDO ISLANDS, WHILE ELONGATED LOW
PRESSURE PREVAILS ACROSS THE GULF OF CALIFORNIA AND THE BAJA
CALIFORNIA PENINSULA. RECENT SATELLITE SCATTEROMETER DATA SHOWED
GENTLE TO MODERATE N TO NW WINDS ACROSS THE OFFSHORE WATERS OF
BAJA CALIFORNIA, WITH LOCALLY FRESH WINDS NEAR PUNTA EUGENIA.
NORTHWESTERLY SWELL IS PRODUCING SEAS OF 6-8 FT IN THESE WATERS,
EXCEPT TO 9 FT NW AND W OF ISLA GUADALUPE. GENTLE TO MODERATE
NORTHERLY WINDS PREVAIL INSIDE THE NORTHERN GULF OF CALIFORNIA,
WITH LIGHT AND VARIABLE WINDS ACROSS SOUTHERN PORTIONS. MODERATE
OR WEAKER W TO NW WINDS AND SLIGHT TO MODERATE SEAS IN MIXED SW
AND NW SWELL PREVAIL ELSEWHERE ACROSS THE MEXICAN OFFSHORE
WATERS. HOWEVER, FRESH NORTHERLY GAP WINDS HAVE COMMENCED ACROSS
THE GULF OF TEHUANTEPEC.
FOR THE FORECAST, A SERIES OF PULSES OF MODERATE TO LARGE NW
SWELL WILL CONTINUE TO IMPACT THE BAJA CALIFORNIA WATERS INTO
EARLY NEXT WEEK, PRODUCING PERIODS OF ROUGH SEAS UP TO 12 FT
ACROSS THE NW ZONES. MEANWHILE, A TIGHTENING PRESSURE GRADIENT
WILL RESULT IN FRESH TO STRONG NORTHERLY WINDS AND ROUGH SEAS IN
THE GULF OF TEHUANTEPEC STARTING THIS EVENING AND CONTINUING INTO
EARLY NEXT WEEK. FRESH TO LOCALLY STRONG NORTHERLY WINDS ARE
ALSO EXPECTED IN THE NORTHERN GULF OF CALIFORNIA TONIGHT THROUGH
SUN MORNING.

SHORT-TERM TEHUANTEPEC
TODAY - NNE 7-9, Seas SSW 0-3.9 ft @ 14sec
TONITE - NNW 14-18, Seas SSW 2-4.1 ft @ 13sec
SATURDAY - NNW 16-20, Seas SSW 0-4.1 ft @ 13sec
SATURDAY NIGHT - N 14-17, Seas SSW 0-4.1 ft @ 16sec

LONG-TERM TEHUANTEPEC
SUNDAY - NNW 16-20, Seas SSW 2-4 ft @ 16sec
MONDAY - N 14-17, Seas SSW 1.9-3.9 ft @ 15sec
TUESDAY - NNW 14-18, Seas SSW 0-3.9 ft @ 14sec
WEDNESDAY - NNW 14-18, Seas SW 0-3.7 ft @ 14sec
THURSDAY - NNW 14-17, Seas SSW 3.1-4.3 ft @ 14sec